Coaxial
Power Splitter/Combiner
ZSC-3-1-75
3 Way-0° 75Ω
1 to 200 MHz
Maximum Ratings
Features
• low insertion loss, 0.4 dB typ.
Operating Temperature
Storage Temperature
Power Input (as a splitter)
Internal Dissipation
-55°C to 100°C
• high isolation, 35 dB typ.
-55°C to 100°C
1W max.
BNC version shown
• excellent amplitude unbalance, 0.1 dB typ.
• excellent phase unbalance, 0.5 deg. typ.
• rugged shielded case
CASE STYLE: P25
0.375W max.
Connectors Model
BNC ZSC-3-1-75
BRACKET (OPTION "B")
BRACKET (OPTION "BR")
Price
Qty.
(1-9)
(1+)
(1+)
$52.95
$5.00
$1.50
Applications
• VHF
Coaxial Connections
• instrumentation
• radio communication system
SUMPORT
PORT 1
PORT 2
PORT 3
S
1
2
3
Splitter Electrical Specifications
FREQ.
RANGE
(MHz)
ISOLATION
(dB)
INSERTION LOSS (dB)
ABOVE 4.8 dB
PHASE
UNBALANCE
(Degrees)
AMPLITUDE
UNBALANCE
(dB)
L
M
U
L
M
U
L
M
U
L
M
U
Outline Drawing
fL-fU
Typ. Min Typ. Min Typ. Min Typ. Max. Typ. Max. Typ. Max. Max.
Max.
Max.
4
Max.
0.15
Max.
Max.
0.3
1-200
35
30
35
25
35
25
0.6 1.0 0.4 0.7 0.6 1.0
U= upper range [fU/2 to fU]
2
3
0.2
L = low range [fL to 10 fL]
M = mid range [10 fL to fU/2]
Typical Performance Data
Freq.
(MHz)
Insertion Loss
Amp.
Unbal.
(dB)
Isolation
(dB)
Phase VSWR VSWR VSWR VSWR
(dB)
Unbal.
(deg.)
S
1
2
3
S-1
S-2
S-3
1-2
1-3
2-3
1.00
5.00
8.00
17.00
38.00
4.98
4.94
4.94
4.93
4.96
4.93
4.89
4.93
4.92
4.96
4.92
4.91
4.92
4.93
4.95
0.06
0.05
0.02
0.01
0.02
40.87
48.19
48.35
47.87
47.63
42.29
49.46
49.54
48.58
47.55
28.44
35.58
37.59
40.94
43.21
0.48
0.32
0.17
0.15
0.11
1.20
1.19
1.19
1.20
1.23
1.16
1.13
1.13
1.14
1.17
1.19
1.13
1.13
1.14
1.17
1.18
1.12
1.13
1.13
1.16
59.00
80.00
89.00
100.00
124.00
4.98
5.00
5.03
5.02
5.09
4.98
5.02
5.03
5.04
5.10
4.99
5.00
5.00
5.04
5.10
0.01
0.02
0.03
0.02
0.02
49.01
53.96
56.96
57.39
47.00
46.07
44.90
44.03
42.71
40.05
44.52
45.44
45.65
45.36
42.84
0.19
0.09
0.19
0.29
0.22
1.27
1.32
1.35
1.38
1.45
1.21
1.25
1.27
1.30
1.35
1.20
1.25
1.27
1.30
1.35
1.20
1.25
1.27
1.29
1.35
inch
Outline Dimensions (
)
mm
A
2.25
B
1.38
C
1.24
D
.50
E
F
G
H
156.00
180.00
188.00
196.00
200.00
5.14
5.20
5.26
5.28
5.29
5.17
5.24
5.28
5.31
5.30
5.14
5.23
5.26
5.28
5.27
0.03
0.03
0.02
0.03
0.03
39.72
35.87
34.82
33.80
33.27
36.08
33.63
32.87
32.08
31.63
38.10
34.83
33.92
33.04
32.52
0.22
0.35
0.10
0.28
0.28
1.55
1.63
1.66
1.69
1.71
1.42
1.47
1.49
1.50
1.51
1.42
1.46
1.48
1.49
1.50
1.42
1.46
1.48
1.49
1.50
.150 3.100
3.81 78.74
.138 1.238
3.51 31.45
57.15 35.05 31.50 12.70
J
3.25
82.55
K
.10
L
.78
M
1.47
N
--
--
P
.38
Q
1.00
S
.150
3.81
wt
grams
86.0
2.54 19.81 37.34
9.65 25.40
ZSC-3-1-75
ISOLATION
ZSC-3-1-75
INSERTION LOSS
70
5.5
5.3
5.1
4.9
4.7
1-2 (dB)
1-3 (dB)
2-3 (dB)
S-1(dB) S-2(dB)
S-3(dB)
60
50
40
30
20
4.5
0
40
80
120
160
200
0
40
80
120
160
200
FREQUENCY (MHz)
FREQUENCY (MHz)
ZSC-3-1-75
VSWR
electrical schematic
2.0
#S-VSWR
#1-VSWR
1.8
1.6
1.4
1.2
1.0
0
40
80
120
160
200
FREQUENCY (MHz)
REV. OR
M94793
ZSC-3-1-75
HY/TD/CP
060906
®
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